Red Star Elementary School wants to buy 50 basketballs, and now there are three stores to choose fro

Hello landlord! A: 50 (10+1)=4....6 (pcs) (4*10+6)*50=2300 (yuan).

B: (50-5)*50=2250 (yuan).

C: 50*50 (200+20)=11....80 (yuan) 11 * 200 + 80 = 2280 (yuan).

2250 yuan< 2280 yuan< 2300 yuan.

A: Store B has the best deals.

Thank you!

A, buy 46 and get 4 free, a total of 50, 46x50 = 2300 yuan.

B, 50x45=2250 yuan.

C, 50x50=2500, 2500 200 is rounded to 12, cashback 12x20=240, sharing 2500-240=2260 yuan.

So B preferential.

This is the end of the total price.

Total price A: 46*50

B 45*50

C to B.

A: Buy 40 and get four free, a total of 2,000 yuan. Buy 6 more for 300, a total of 2300 yuan.

B: (50-5)*50=2250 (yuan).

C: 50 * 50 = 2500, 2500 200 =, then the discount is 12 * 20 = 240 yuan, a total of 2500-240 = 2260 yuan.

So the B option is the best.

Is the landlord an elementary school student?

A: (50-40 10) 50 + 50 6 = 2300 (yuan) B: 50 (50-5) = 2250 (yuan).

C: 50 50 = 2500 2500 200 = 12 surplus 100 2500-12 20 = 2260 (yuan).

Select Store B for a better deal.

A: (50-40 10) 50 + 50 6 = 2300 (yuan) B: 50 (50-5) = 2250 (yuan).

C: 50 50 2500 (yuan).

2500-12 20 2260 (yuan).

So the B option is the best.

A: 46 50 2300 (yuan).

B: 50 50 90% 2250 (yuan).

C: 50 50 2500 (yuan).

2500-12 20 2260 (yuan).

A: B is cheap.

A: 40 10 = 4 (pieces) (50-40-4) times 50 = 300 (yuan) 300 + 40 times 50 = 2300 (yuan).

B: 50 times (50-5) = 2250 yuan.

C: 50 times 50 = 2500 yuan 2500 200 is approximately equal to 12....100 yuan, 12 times 20 = 240 yuan, 2500-240 = 2260 yuan.

2250<2260<2300 B

Do you know how much a basketball costs?

He wants to buy a basketball, but he tells the unit price of the football, so how to calculate it?

A: I want to charge you 1500 to buy the ball you want, it will cost 1560 yuan to buy it, and C will use 1530 Ahaha, see for yourself.

Armor; 50 30 1500 yuan, and 5 2 were also given. A needs a total of 1,500 yuan.

Second; 60 30 60 4 1560 yuan.

Third; 60 30 1800 yuan, 1800 100 18 18 18 15 270, 1800 270 1530 yuan.

A is the cheapest.

Go to the A store to buy the cheapest...

Store A: Buy 50 plus 10 gifts, the total price is: 50 30 = 1500 (yuan);

B store: 60 (30-4) = 1560 (yuan);

C store: 60 30 = 1800 (yuan), 1800-18 15, 1800-270, 1530 (yuan).

So 1500 1530 1560, i.e. store A is the cheapest, you should go to store A to buy A: you should go to store A to buy because store A is the cheapest

1) Buy more than 10 preferential unit price is 85 yuan.

2) Buy more than 50 and get 10 free, the unit price is 100 yuan.

3) Get one for every 10 you buy, the unit price is 100 yuan.

Which purchase is the most cost-effective?

Solution: The first cost: 85x60=5100 yuan.

The second cost: 100x60=6000 yuan.

The third type of spending; 100x54=5400 yuan.

A: The first type of purchase is the most cost-effective.

A: According to its gift principle, you need to buy 46 Qiao Zhaoming (40 + 4 * 3 + 6 = 58), then it costs 46 * 25 = 1150 yuan.

B: According to its preferential principle, it costs 58 * (25-5) = 1160 yuan.

C: 58 * 25 = 1450, cashback 1450 200 * 40 = 280 (rounded), guess the actual cost of 1450-280 = 1170 yuan.

Therefore, you should go to the Jiaxiao store to buy the most money-saving.

Store A: 4x3 = 12 (pieces) 58 - 12 = 46 (pieces) 25x26 = 1150 (yuan).

Store B: 58x(25-5)=1160 (yuan) Store C: 58x25=1450 (yuan)1450 200x40=280 (yuan)1450-280=1170 (yuan).

Answer: It is best to go to the first store, because among the few boring stores, the first cover is the cheapest.

(1) A: 4*(10+3)=52

There are 6 left: 40*25+6*25=1150

B: 58*25-58*5=1160

C: 58 8 = 7 surplus 2, 25 * 58-7 * 40 = 1170

It should go to A (2).

A 40, send 12, difference 6, buy in B, get 40 * 25 + 6 * 20 = 1000 + 120 = 1120

Football unit price = 360 (2 + 5 1 5) = 120 (yuan).

Basketball unit price = 120 1 5 = 24 (yuan).

,=,=Yuan),A: Red Star Primary School spent a total of yuan to buy football and basketball